Back Number's Tearjerker Songs, Cry-Your-Eyes-Out Tracks, and Popular Song Rankings [2026]

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back number – Hanabira (full)

A heartbreaking breakup song that overlays the fleeting memories of love with cherry blossom petals.

The lyrics delicately portray how memories with a lover linger everywhere in the city, turning even everyday scenes into amplifiers of pain.

While still holding on to love, the reality is that they will never meet again.

This song carries a message that gently embraces that hurt.

Released in April 2011, it was featured as the ending theme for JAPAN COUNTDOWN.

It is sure to resonate deeply with anyone who has experienced a painful romance.

Velvet Poemback number9rank/position

Velvet Poem

There is a gemlike ballad by back number—known for lyrics and melodies that shake the heart—created as the theme song for the film Akira and Akira.

Shimizu Iyori’s voice, singing like a prayer and wishing that his laid-bare self could be seen as something beautiful, sinks deep into the chest.

The piece quietly yet powerfully seems to cheer on those who, despite their anguish and inner conflicts, keep moving toward their goals.

This moving song was released in August 2022 and was later included on the acclaimed album Humor.

Premiering alongside the film, it became beloved by many, debuting at No.

2 on the Billboard Japan Download Songs chart—a sign that its impact has resonated widely.

It’s the perfect song for moments when you’re wavering over a major life decision or need a gentle word of encouragement.

It will surely echo deep within your heart and give you the strength to take a step toward tomorrow.

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back number – Mabataki (full)

When you think of back number, you probably picture heart-fluttering love songs.

Their track “Mabataki,” released in 2017 as the band’s 17th single, was also the theme song for the film “The 8-Year Engagement,” a movie about marriage based on a true story.

The song starts with the chorus, and from the very first lines, many listeners find themselves captivated by the striking lyrics.

It’s a piece that can move you to tears with its tenderness and the depth of feeling for a loved one.

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I love youback number11rank/position

back number – I Love You

Written as the theme song for the NHK morning drama series “Soar High! (Maiagare!),” this track by back number was released digitally in October 2022.

Through everyday, modest scenes, the lyrics gently prompt us to reflect on our feelings for someone precious.

The pure, self-questioning desire—how can I bring more smiles to someone important?—is something almost anyone can relate to.

It’s a perfect number for those thinking of someone far away or wanting to reaffirm what truly matters amid the busyness of daily life.

To new loversback number12rank/position

back number – To the New Lovers

This song delicately portrays bittersweet emotions buried deep in the heart.

Released in 2024 by back number, it was written as the theme for Fuji TV’s Monday 9 p.m.

drama “Umi no Hajimari” (The Beginning of the Sea).

Set to a melody that resonates, it expresses the weakness of a self that can’t quite grow up, a yearning for the innocent faces of children, and hopes for the next generation.

With lyrics that contrast light and shadow and a clear, translucent vocal, the piece achieves beautiful harmony and offers comfort to anyone carrying unspoken, aching feelings for someone.

It’s a recommended track for those who wish to feel the sense of loss and regret that comes with living, as well as hope for the future.

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back number – Sunday (full)

A song that gently portrays a calm Sunday morning with a lover.

The voice waking a partner who sleeps almost until noon, the sweet wish to push back mealtime, days content with small happinesses.

More than grand dreams or ideals, the feeling that reexamines the joy of sharing this very moment together resonates deeply.

Released as a single by back number in May 2012, it was used as the theme song for Hokkaido Broadcasting (HBC)’s 60th anniversary commemorative drama “Soup Curry,” starring TEAM NACS, and was later included on the album “blues.” This warm track reminds us that the ordinary moments spent by two people are irreplaceable treasures.

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back number – Christmas Song (full)

With lyrics and vocals that fill you with happiness, Iyori Shimizu’s gentle singing voice is incredibly soothing, yet tinged with a certain wistfulness that makes you want to replay the song over and over.

The music video, featuring an earnest performance in the snow, is also a must-see, offering a captivating, uniquely original world.

Incidentally, this track was chosen as the theme song for the Monday 9 p.m.

drama “5→9: From Five to Nine,” which helped it gain widespread recognition.